†Megactenopetalus kaibabanus David 1944 (chimaera)

Chondrichthyes - Petalodontiformes - Pristodontidae

Synonym: Petalodus shingkuoi Young 1950

Full reference: L. R. David. 1944. A Permian shark from the Grand Canyon. Journal of Paleontology 18(1):90-93

Belongs to Megactenopetalus according to M. C. Hansen 1980

See also David 1944, Hansen 1978 and Liu and Xie 1965

Sister taxa: none

Type specimens:

  • Megactenopetalus kaibabanus: Mus N. Ariz G2.2280, a set of teeth. Its type locality is Point Sublime, Grand Canyon north rim, which is in a Kungurian shallow subtidal limestone in the Kaibab Formation of Arizona.
  • Petalodus shingkuoi: Its type locality is Wutaishan, Liangfengya, Bazhong, which is in a Wuchiapingian carbonate limestone in China.

Ecology: nektonic carnivore

Distribution:

• Permian of China (2 collections), United States (6: Arizona, Oklahoma, Texas)

• Carboniferous of United States (1: Kansas)

Total: 9 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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